Home / 9,004.21-12,425.21-5,646.88

Finding the Fourth Proportional to 9,004.21, 12,425.21 and 5,646.88

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Solution

The fourth proportional to 9,004.21, 12,425.21 and 5,646.88 is: 7,792.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,004.21 : 12,425.21 = 5,646.88 : x
  2. Step 2: Convert to fraction form
    9,004.21/12,425.21 = 5,646.88/x
  3. Step 3: Cross multiply
    9,004.21x = 12,425.21 × 5,646.88
  4. Step 4: Simplify right side
    9,004.21x = 70,163,669.84
  5. Step 5: Solve for x
    x = 70,163,669.84/9,004.21
  6. Step 6: Final answer
    x = 7,792.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.